WO2014172865A1 - 基站间载波聚合的上行发射功率控制方法、基站和设备 - Google Patents
基站间载波聚合的上行发射功率控制方法、基站和设备 Download PDFInfo
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- WO2014172865A1 WO2014172865A1 PCT/CN2013/074689 CN2013074689W WO2014172865A1 WO 2014172865 A1 WO2014172865 A1 WO 2014172865A1 CN 2013074689 W CN2013074689 W CN 2013074689W WO 2014172865 A1 WO2014172865 A1 WO 2014172865A1
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- WO
- WIPO (PCT)
- Prior art keywords
- base station
- transmit power
- uplink
- uplink transmit
- path loss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
Definitions
- the embodiments of the present invention relate to a wireless communication technology, and in particular, to an uplink transmit power control method, a base station, and a device for carrier aggregation between base stations.
- Background technique
- 3GPP Long Term Evolution Advanced LTE-A
- CA Carrier Aggregation
- CCs Component Carriers
- UE User Equipment
- PH power headroom
- the CCs in the CA may be provided by the same base station (referred to as the intra-base station CA) or may be provided by different base stations (referred to as inter-base station CAs).
- the intra-site CA after the power headroom report (PHR) is triggered, the UE sends the PHR in any serving cell, including the power margin left for each serving cell. information.
- the base station receives the PHR, and can estimate the downlink path loss of the UE in each serving cell and coordinate the uplink resource allocation of each serving cell.
- the inter-base station CA after the PHR is triggered, the UE can only receive the PHR in any serving cell by one of the base stations.
- the base station that receives the PHR does not know the uplink resource allocation of other base stations, and cannot coordinate the uplink resources of each serving cell. This leads to a waste of transmission resources and a problem of low transmission efficiency. Summary of the invention
- the embodiments of the present invention provide an uplink transmit power control method, a base station, and a device for a carrier aggregation between base stations, which are used to prevent the base station from scheduling the waste of uplink resources for the UE and improve the transmission efficiency.
- the first aspect of the present invention provides an uplink transmit power control method for carrier aggregation between base stations, including:
- the first base station configures uplink transmit power for the UE according to the maximum uplink transmit power.
- the first base station is a secondary base station
- the second base station is a primary base station.
- the first base station acquires a maximum uplink allocated by the UE to the first base station Transmit power includes:
- the first base station acquires a maximum uplink allocated by the UE to the first base station Transmit power includes:
- the first base station receives, from the second base station or the UE, a maximum uplink transmit power that the UE allocates to the first base station, where the maximum uplink transmit power is the second base station or the UE And determining, according to an uplink resource status that is sent by the second base station to the UE.
- a fourth possible implementation manner of the first aspect of the present disclosure The semi-persistent scheduling configuration information of the uplink resources scheduled by the UE when the UE establishes a voice service.
- the semi-persistent scheduling configuration information includes: a semi-persistent scheduling SPS configuration command, a semi-persistent scheduling SPS configuration deletion command, a semi-persistent scheduling SPS activation indication, and a semi-static scheduling The SPS deactivates the indication.
- the first base station determines, according to the uplink resource status that the second base station schedules to the UE
- the maximum uplink transmit power allocated by the UE to the first base station includes: Determining, by the first base station, an offset of an uplink transmit power according to an uplink resource state scheduled by the second base station to the UE;
- the first base station superimposes the offset with an initial maximum uplink transmit power allocated by the UE to the first base station, and determines a maximum uplink transmit power allocated by the UE to the first base station.
- the determining, by the first base station, the offset of the uplink transmit power, according to the uplink resource status that is sent by the second base station to the UE includes: And determining, by the second base station, the uplink transmit power, when the uplink resource that is scheduled by the second base station to the UE is used, and the uplink resource that is scheduled to be sent to the UE by the second base station is lower than a set threshold. The offset.
- the value of the offset is pre-configured.
- the first base station is configured according to the maximum uplink transmission After the power allocates the uplink transmit power to the UE, the method further includes:
- the power headroom of the UE recalculated according to the maximum uplink transmit power is obtained.
- the method further includes:
- the first base station receives the preset power information that is sent by the second base station, where the preset power information includes at least the uplink transmit power that is preset to the UE at the next time;
- the base station determines, according to the preset power information, an uplink transmit power that is configured by the first base station to the UE at a next moment.
- the preset power information includes:
- the maximum transmit power of the UE, the maximum transmit power allocated by the UE to the second base station, the uplink control information scheduling state of the UE, and the maximum transmit power allocated by the UE to each carrier of the second base station The offset of the uplink transmit power used by the second base station.
- the method further includes:
- the first base station acquires an initial maximum uplink transmit power allocated by the UE to the first base station, where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE. ;
- the first base station allocates uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the acquiring, by the first base station, the initial maximum uplink transmit power allocated by the UE to the first base station includes:
- the first base station Receiving, by the first base station, an initial maximum uplink transmit power that is allocated by the UE to the first base station, where the initial maximum uplink transmit power is the UE according to each base station and the UE
- the downlink path loss ratio is allocated from the maximum uplink transmit power of the UE.
- the first base station acquires, by the first base station, the UE is allocated to the first base station
- the initial maximum uplink transmit power includes:
- the first base station receives an initial maximum uplink transmit power that is allocated by the second base station to the first base station, where the initial maximum uplink transmit power is the second base station according to each base station and The downlink path loss ratio between the UEs is allocated from the maximum uplink transmit power of the UE.
- the first base station acquires, by the first base station, the UE is allocated to the first base station
- the initial maximum uplink transmit power includes:
- the first base station calculates an initial maximum uplink transmit power allocated by the UE to the first base station from a maximum uplink transmit power of the UE according to a ratio of each downlink loss.
- the first base station acquires, by the first base station, the UE is allocated to the first base station
- the initial maximum uplink transmit power includes:
- the first base station acquires an uplink path loss between each base station and the UE sent by the second base station; the first base station calculates, according to the proportion of each uplink path loss, the UE from the maximum uplink transmit power of the UE. An initial maximum uplink transmit power allocated to the first base station.
- the first base station receives a sounding reference signal sent by the UE;
- the first base station reports the uplink path loss between itself and the UE to the second base station, so that the second base station forwards to other base stations.
- the first base station acquires, by the first base station, the UE After the initial maximum uplink transmit power of the first base station, the method further includes:
- the first base station acquires, by the first base station, the UE
- the initial maximum uplink transmit power of the first base station includes:
- a second aspect of the present invention provides an uplink transmit power control method for carrier aggregation between base stations, including:
- the second base station provides the uplink resource status that is scheduled by the user equipment to the user equipment to the first base station, so that the first base station determines, according to the uplink resource status that the second base station schedules to the UE, that the UE is allocated to the first The maximum uplink transmit power of the base station;
- the second base station schedules an uplink resource for the UE according to the uplink resource status.
- the first base station is a secondary base station
- the second base station is a primary base station
- the second base station provides the uplink resource status that is scheduled by the UE to the UE
- a base station includes:
- the uplink resource status that the second base station schedules itself to the UE is sent by the UE to The first base station.
- the sending, by the second base station, the uplink resource status of the UE to the UE by using the UE to the first base station includes:
- the second base station sends the uplink resource status to the UE by using the media intervention control unit MAC CE, the radio resource control RRC message, or the uplink control information, to send to the UE by using the UE A base station.
- the second base station provides the uplink resource status that is scheduled by the UE to the UE
- a base station includes:
- the second base station When the second base station establishes a voice service for the UE, configuring a semi-static scheduling of the uplink resource for the UE;
- the method further includes:
- the second base station is configured with preset power information, where the preset power information includes at least an uplink transmit power that is preset to the UE by the second base station at a next moment;
- the second base station sends the preset power information to the first base station, so that the first base station determines, according to the preset power information, an uplink transmit power that is configured by the first base station to the UE at a next moment. .
- the preset power information includes: a maximum transmit power of the UE, a maximum transmit power allocated by the UE to the second base station, and the UE The uplink control information scheduling state, the maximum transmit power allocated by the UE to each carrier of the second base station, and the offset of the uplink transmit power used by the second base station.
- the method further includes:
- an initial maximum uplink transmit function allocated by the UE to the second base station Rate where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE;
- the second base station allocates uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the second base station acquires the
- the initial maximum uplink transmit power allocated by the UE to the second base station includes:
- the second base station receives an initial maximum uplink transmit power that is allocated by the UE to the second base station, where the initial maximum uplink transmit power is the UE according to each base station and the UE.
- the downlink path loss ratio is allocated from the maximum uplink transmit power of the UE.
- the method further includes:
- the second base station receives the downlink path loss of each base station reported by the UE, and calculates an initial maximum allocated by the UE to each base station according to a maximum uplink transmit power of the UE according to a ratio of each downlink path loss.
- the second base station sends each initial maximum uplink transmit power to a corresponding base station.
- the second base station acquires an initial maximum allocated by the UE to the second base station
- the uplink transmit power includes:
- the second base station acquires an uplink path loss between the base station and the UE sent by each base station;
- the second base station calculates, according to a ratio of each uplink path loss, an initial maximum uplink transmit power allocated by the UE to each base station from a maximum uplink transmit power of the UE;
- the second base station sends each initial maximum uplink transmit power to a corresponding base station.
- the method further includes: the second base station receiving a sounding reference signal sent by the UE;
- the second base station determines an uplink path loss between the second base station and the UE according to the received power and the transmit power of the sounding reference signal.
- the second base station obtains, by the second base station, the UE is allocated to each base station After the initial maximum uplink transmit power, it also includes:
- the acquiring, by the second base station, the initial maximum uplink transmit power allocated by the UE to the second base station includes:
- a third aspect of the present invention provides an uplink transmit power control method for carrier aggregation between base stations, including:
- the user equipment UE acquires an uplink resource status that is scheduled by the second base station to the UE;
- the UE reports, to the first base station, an uplink resource status that is sent by the second base station to the UE, so that the first base station determines, according to the uplink resource status, a maximum uplink that is allocated by the UE to the first base station. Transmit power; or
- the first base station is a secondary base station
- the second base station is a primary base station
- the UE allocates an uplink resource status to the UE according to the second base station Determining a maximum uplink transmit power that the UE allocates to the first base station includes:
- the UE superimposes the offset with an initial maximum uplink transmit power allocated by the UE to the first base station, and determines a maximum uplink transmit power allocated by the UE to the first base station.
- the value of the offset is pre-configured or the second base station is delivered by using network signaling.
- the method further includes: Receiving, by the UE, an uplink resource status that is sent by the second base station by using a media intervention control unit MAC CE, a radio resource control RRC message, or uplink control information; or
- the method further includes:
- the UE reports a downlink path loss between the UE and the base station to the base station, so that the base station determines, according to the downlink path loss, an initial maximum uplink transmit power allocated by the UE at the base station; or
- the reporting, by the UE, the downlink path loss between the UE and the base station to the base station includes:
- the UE measures a downlink path loss between each base station
- the UE reports the downlink path loss between the UE and each base station to the second base station.
- the UE determines, according to a downlink path loss between the UE and the base station, that the UE is allocated to the
- the initial maximum uplink transmit power of the base station and reported to the base station includes:
- the UE measures a downlink path loss between each base station
- the UE calculates, according to a ratio of downlink path loss between each base station, an initial maximum uplink transmit power allocated to each of the base stations from a maximum uplink transmit power of the UE;
- the UE reports the determined initial maximum uplink transmit power to each of the base stations, or reports the same to the second base station, so as to be forwarded to each of the base stations by the second base station.
- the UE is configured according to a ratio of a downlink path loss between the base stations After calculating the initial maximum uplink transmit power allocated to each of the base stations, the maximum uplink transmit power of the UE further includes:
- the UE adds a supplemental offset in the maximum uplink transmit power allocated to the first base station.
- a fourth aspect of the present invention provides a first base station, including:
- a power acquisition module configured to acquire a maximum uplink transmit power allocated by the user equipment UE to the first base station, where the maximum uplink transmit power is determined according to an uplink resource state scheduled by the second base station to the UE;
- a power determining module configured to configure uplink transmit power for the UE according to the maximum uplink transmit power.
- the first base station is a secondary base station
- the second base station is a primary base station
- the power acquiring module includes:
- An uplink resource status receiving unit configured to receive, from the second base station or the UE, an uplink resource status that is scheduled by the second base station to the UE;
- an uplink transmit power determining unit configured to determine a maximum uplink transmit power allocated by the UE to the first base station according to an uplink resource state scheduled by the second base station to the UE.
- the power acquiring module is specifically configured to: Or the UE receives the maximum uplink transmit power allocated by the UE to the first base station, where the maximum uplink transmit power is that the second base station or the UE schedules the UE according to the second base station. The status of the uplink resource is determined.
- the uplink resource status is that the second base station is The semi-persistent scheduling configuration information of the uplink resources scheduled by the UE when the UE establishes a voice service.
- the semi-persistent scheduling configuration information includes: a semi-persistent scheduling SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- a power offset determining unit configured to determine an offset of an uplink transmit power according to an uplink resource state scheduled by the second base station to the UE;
- a power determining unit configured to superimpose the offset with an initial maximum uplink transmit power allocated by the UE to the first base station, and determine a maximum uplink transmit power allocated by the UE to the first base station.
- the value of the offset is pre-configured.
- a power headroom determining module configured to recalculate according to the maximum uplink transmit power when the uplink transmit power determined by the first base station changes relative to a historical value, or when a change value exceeds a preset threshold The power headroom of the UE.
- a preset power receiving module configured to receive preset power information sent by the second base station, where the preset power information includes at least an uplink transmit power preset by the second base station to the UE at a next moment;
- the preset power information packet Includes:
- the maximum transmit power of the UE, the maximum transmit power allocated by the UE to the second base station, the uplink control information scheduling state of the UE, and the maximum transmit power allocated by the UE to each carrier of the second base station The offset of the uplink transmit power used by the second base station.
- An initial maximum uplink transmit power acquisition module configured to acquire an initial maximum uplink transmit power allocated by the UE to the first base station, where the initial maximum uplink transmit power is based on a downlink path loss between each base station and the UE Or the uplink path loss is determined;
- a power allocation module configured to allocate uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the initial maximum uplink transmit power acquiring module is specifically configured to:
- the UE And receiving, by the UE, an initial maximum uplink transmit power allocated by the UE to the first base station, where the initial maximum uplink transmit power is a downlink path loss ratio between the base station and the UE according to the UE Allocated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power acquiring module is specifically configured to: receive the An initial maximum uplink transmit power that is allocated by the second base station to the first base station, where the initial maximum uplink transmit power is a ratio of downlink path loss between the base station and the UE by the second base station. Allocated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power acquiring module is specifically configured to: receive the UE The downlink path loss of each of the reported base stations is calculated, and the initial maximum uplink transmit power allocated by the UE to the first base station is obtained from the maximum uplink transmit power of the UE according to the proportion of each of the downlink path losses.
- the initial maximum uplink transmit power acquiring module is specifically configured to: acquire the second base station Uplink loss between each base station and the UE, and calculating, according to the proportion of each uplink path loss, the UE is allocated to the first uplink from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power of the base station is specifically configured to: acquire the second base station Uplink loss between each base station and the UE, and calculating, according to the proportion of each uplink path loss, the UE is allocated to the first uplink from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power of the base station is specifically configured to: acquire the second base station Uplink loss between each base station and the UE, and calculating, according to the proportion of each uplink path loss, the UE is allocated to the first uplink from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power of the base station is specifically configured to: acquire the second base station Uplink loss between each base station and the UE, and calculating, according to
- the base station according to claim 63 further comprising:
- a reference signal receiving module configured to receive a sounding reference signal sent by the UE
- An uplink path loss determining module configured to determine an uplink path loss between the first base station and the UE according to the received power and the transmit power of the sounding reference signal;
- the path loss reporting module is configured to report the uplink path loss between the first base station and the UE to the second base station, so that the second base station forwards to another base station.
- the initial maximum uplink transmit power acquiring module is further used to :
- the initial maximum uplink transmit power acquiring module is configured to: Obtaining an initial maximum uplink transmission allocated by the UE to the first base station according to a set period, or when the uplink path loss or downlink path loss changes, or when a path loss change value exceeds a set threshold value. power.
- a fifth aspect of the present invention provides a second base station, including:
- An uplink resource status providing module configured to provide an uplink resource status that is scheduled by the second base station to the user equipment UE to the first base station, so that the first base station determines, according to the uplink resource status that the second base station schedules to the UE
- the uplink resource scheduling module is configured to allocate an uplink resource to the UE according to the uplink resource status.
- the first base station is a secondary base station
- the second base station is a primary base station
- the uplink resource status providing module is specifically configured to:
- the uplink resource status providing module is specifically configured to:
- the uplink resource status that is sent by the second base station to the UE is sent to the UE by using a media intervention control unit MAC CE, a radio resource control RRC message, or uplink control information, to be sent to the first Base station.
- a media intervention control unit MAC CE a radio resource control RRC message, or uplink control information
- the uplink resource status providing module is specifically configured to:
- the semi-persistent scheduling of the uplink resource is configured for the UE; and the semi-persistent scheduling configuration information is sent to the first base station, or sent to the UE, to be sent by the UE.
- the first base station When the voice service is established for the UE, the semi-persistent scheduling of the uplink resource is configured for the UE; and the semi-persistent scheduling configuration information is sent to the first base station, or sent to the UE, to be sent by the UE.
- the first base station is
- the semi-persistent scheduling configuration information includes: a semi-persistent scheduling SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- a preset power configuration module configured to configure preset power information, where the preset power information includes at least an uplink transmit power preset by the second base station to the UE at a next moment;
- a preset power information sending module configured to send the preset power information to the first base station, so that the first base station determines, according to the preset power information, that the first base station is configured to the UE at a next moment Uplink transmit power.
- the preset power information includes: a maximum transmit power of the UE, a maximum transmit power allocated by the UE to the second base station, and the UE The uplink control information scheduling state, the maximum transmit power allocated by the UE to each carrier of the second base station, and the offset of the uplink transmit power used by the second base station.
- An initial maximum uplink transmit power acquisition module configured to acquire an initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is according to each base station Determining a downlink path loss or an uplink path loss between the UE and the UE;
- a power allocation module configured to allocate uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the initial maximum uplink transmit power module is specifically configured to:
- the initial maximum uplink transmit power acquiring module is specifically configured to:
- the initial maximum uplink transmit power acquiring module includes:
- An uplink path loss acquiring unit configured to acquire an uplink path loss between the base station and the UE sent by each base station; and an initial maximum uplink transmit power allocation unit, configured to obtain a maximum uplink transmit power from the UE according to a ratio of each uplink path loss Calculating an initial maximum uplink transmit power allocated by the UE to each base station;
- the initial maximum uplink transmit power sending module is configured to send each initial maximum uplink transmit power to a corresponding base station.
- the method further includes:
- a reference signal receiving module configured to receive a sounding reference signal sent by the UE
- an uplink path loss determining module configured to determine an uplink path loss between the second base station and the UE according to the received power and the transmit power of the sounding reference signal.
- the initial maximum uplink transmit power acquiring module is further configured to:
- a supplemental offset is added to the initial maximum uplink transmit power allocated to the secondary base station.
- the initial maximum uplink transmit power acquiring module is configured according to a set period, Or, when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold, acquiring an initial maximum uplink transmit power allocated by the UE to the second base station.
- a sixth aspect of the present invention provides a user equipment UE, including:
- An uplink resource state obtaining module configured to acquire an uplink resource state that is scheduled by the second base station to the UE
- an uplink resource state reporting module configured to report, to the first base station, an uplink resource state that is sent by the second base station to the UE, so that Determining, by the first base station, a maximum uplink transmit power allocated by the UE to the first base station according to the uplink resource status; or
- the first base station is a secondary base station
- the second base station is a primary base station
- the uplink resource status reporting module includes:
- a power offset determining unit configured to determine an offset of an uplink transmit power according to an uplink resource state scheduled by the second base station to the UE;
- a transmit power determining unit configured to superimpose the offset with an initial maximum uplink transmit power allocated by the UE to the first base station, and determine a maximum uplink transmit power allocated by the UE to the first base station .
- the value of the offset is pre-configured or the second base station is delivered by using network signaling.
- the uplink resource state acquiring module is specifically configured to: Receiving, by the second base station, an uplink resource status that is sent by the media intervention control unit MAC CE, the radio resource control RRC message, or the uplink control information; or
- the method further includes: an uplink path loss reporting module and an initial maximum uplink transmission Power determination module,
- the uplink path loss reporting module is configured to report, to the base station, a downlink path loss between the UE and the base station, so that the base station determines, according to the downlink path loss, an initial maximum uplink transmit power allocated by the UE at the base station;
- the initial maximum uplink transmit power determining module is configured to determine an initial maximum uplink transmit power allocated by the UE to the base station according to a downlink path loss between the UE and the base station, and report the uplink maximum transmit power to the base station.
- the uplink path loss reporting module includes:
- a downlink path loss measuring unit configured to measure a downlink path loss between each base station
- the initial maximum uplink transmit power determining module includes:
- a downlink path loss measuring unit configured to measure a downlink path loss between each base station
- An initial maximum uplink transmit power allocation unit configured to calculate, from a maximum uplink transmit power of the UE, an initial maximum uplink transmit power allocated to each of the base stations;
- an initial maximum uplink transmit power reporting unit configured to report the determined initial maximum uplink transmit power to each of the base stations, or to the second base station, to be forwarded to each of the base stations by using the second base station.
- the downlink path loss measurement unit is specifically configured to:
- the transmission power determines the downlink path loss between each base station.
- the initial maximum uplink transmit power allocation unit is further configured to:
- a supplemental offset is added to the maximum uplink transmit power allocated to the first base station.
- a seventh aspect of the present invention provides a first base station, including a processor and a memory, where the memory stores an execution instruction, when the first base station is running, the processor communicates with the memory, the processor Execution of the execution instructions causes the first base station to perform the method of any of the first to the nineteenth possible implementations of the first aspect of the invention and the first aspect.
- An eighth aspect of the present invention provides a second base station, including a processor and a memory, where the memory stores an execution instruction, when the second base station is running, the processor communicates with the memory, the processor Execution of the execution instructions causes the second base station to perform the method of any of the first to the thirteenth possible implementations of the second aspect and the second aspect of the present invention.
- a ninth aspect of the present invention provides a user equipment UE, including a processor and a memory, where the memory stores an execution instruction, when the UE is running, the processor communicates with the memory, and the processor executes an execution instruction
- the UE performs the method of any of the first to ninth possible implementations of the third aspect and the third aspect of the present invention.
- the first base station when the first base station allocates the transmit power to the UE, the first base station allocates according to the maximum transmit power allocated by the UE to the first base station, because the maximum transmit power allocated to the first base station is based on the uplink of the second base station.
- the resource status information is allocated, so that the power allocated by the UE to each base station can be coordinated, so that the first base station can accurately allocate the uplink transmit power to the UE, and improve the throughput of the UE while satisfying the transmit power requirements of multiple base stations. Since the uplink resource states configured by other base stations are considered between the base stations, the allocated uplink transmit power can reduce or even avoid the waste, thereby improving the transmission efficiency.
- FIG. 1 is a flowchart of Embodiment 1 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 2 is a flowchart of Embodiment 2 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 4 is a flowchart of Embodiment 4 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 5 is a flow chart of an inter-base station according to the present invention.
- FIG. 6 is a flowchart of Embodiment 6 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 1 is a flowchart of Embodiment 1 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 2 is a flowchart of Embodiment 2 of an uplink transmit power control method for carrier aggregation between base stations
- FIG. 7 is an uplink transmission of carrier aggregation between base stations according to the present invention.
- FIG. 8 is a flowchart of Embodiment 8 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- FIG. 9 is a schematic diagram of uplink transmit power control for carrier aggregation between base stations according to the present invention.
- FIG. 10 is a flowchart of Embodiment 10 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention;
- Embodiment 11 is a flowchart of Embodiment 11 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention
- FIG. 12 is a schematic structural diagram of Embodiment 1 of a first base station according to the present invention.
- FIG. 13 is a schematic structural diagram of Embodiment 2 of a first base station according to the present invention.
- FIG. 14 is a schematic structural diagram of Embodiment 2 of a first base station according to the present invention.
- FIG. 15 is a schematic structural diagram of Embodiment 4 of a second base station according to the present invention.
- Embodiment 5 of a second base station is a schematic structural diagram of Embodiment 5 of a second base station according to the present invention.
- FIG. 17 is a schematic structural diagram of Embodiment 6 of a user equipment UE according to the present invention
- FIG. 18 is a schematic structural diagram of Embodiment 7 of a user equipment UE according to the present invention
- Embodiment 9 of a second base station is a schematic structural diagram of Embodiment 9 of a second base station according to the present invention.
- FIG. 21 is a schematic structural diagram of Embodiment 10 of a user equipment UE according to the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and Not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.
- a UE may simultaneously receive data from multiple cells of two base stations, wherein one primary base station and one
- the secondary base station the primary base station functions as a master control, controls the selection of the secondary base station, and the data offloading policy.
- the secondary base station mainly functions as a traffic splitting function to increase data traffic.
- inter-base station carrier aggregation may include one primary base station and multiple secondary base stations.
- the primary base station and the secondary base station are only a logical concept.
- the primary base station and the secondary base station are separated from the UE, but from the base station itself, it is Different UEs can be both a primary base station and a secondary base station, and can perform both the function of the primary base station and the function of the secondary base station.
- the concepts of the primary base station and the secondary base station in this embodiment are equally applicable to other embodiments.
- the method provided by the present invention is implemented by an uplink transmit power control device for carrier aggregation between base stations, and the device is integrated in a base station. The method provided in this embodiment includes the following steps:
- Step 101 The first base station acquires a maximum uplink transmit power allocated by the UE to the first base station, where the maximum uplink transmit power is determined according to an uplink resource state scheduled by the second base station to the UE.
- the first base station acquires the maximum uplink transmit power allocated by the UE to the first base station, where the first base station receives, from the second base station or the UE, the uplink resource status that is scheduled by the second base station to the UE, and the first base station according to the second
- the uplink resource state scheduled by the base station to the UE determines the maximum uplink transmit power allocated by the UE to the first base station.
- the first base station receives, from the second base station or the UE, a maximum uplink transmit power allocated by the UE to the first base station, where the maximum uplink transmit power is determined by the second base station or the UE according to the uplink resource state scheduled by the second base station to the UE.
- the uplink resource status may be semi-persistent scheduling configuration information of the uplink resource scheduled by the UE when the second base station establishes a voice service for the UE.
- the semi-persistent scheduling configuration information may include: Semi-Persistent Scheduling (SPS) configuration command, SPS configuration deletion command, SPS activation indication, and SPS deactivation indication.
- SPS Semi-Persistent Scheduling
- the first base station when the first base station allocates the transmit power to the UE, the first base station allocates according to the maximum transmit power allocated by the UE to the first base station, because the maximum transmit power allocated to the first base station is based on the uplink resource of the second base station.
- the state information is allocated, so that the power allocated by the UE to each base station can be coordinated, so that the first base station can accurately allocate the uplink transmit power to the UE, and improve the throughput of the UE while satisfying the transmit power requirements of multiple base stations. Since the uplink resource states configured by other base stations are considered between the base stations, the allocated uplink transmit power can reduce or even avoid the waste, thereby improving the transmission efficiency.
- the first base station may be a secondary base station
- the second base station may be a primary base station
- the secondary base station allocates uplink transmit power according to the uplink resource status of the primary base station.
- the primary base station may also allocate uplink transmit power according to the uplink resource status of the secondary base station, or multiple secondary base stations may consider the uplink resource status of other base stations.
- Step 201 The first base station receives semi-static scheduling configuration information that is sent by the second base station to the UE from the second base station or the UE.
- the semi-persistent scheduling method is generally applied to real-time services with a fixed packet size and a certain regularity, such as Voice over Internet Protocal (VoIP) service.
- the base station indicates the current scheduling information of the UE through the Physical Downlink Control Channel (PDCCH) in the initial scheduling, and the UE identifies that the scheduling information is semi-persistent scheduling, and saves the current scheduling information at the same time and frequency every fixed period.
- the transmission or reception of the service data is performed at the resource location.
- the semi-persistent scheduling transmission can fully utilize the characteristics of the periodic arrival of voice data packets, and the one-time authorization and periodic use can save the PDCCH resources used by the LTE system for scheduling indication.
- the semi-static scheduling parameters related to RRC configuration such as semi-static transmission time interval, wireless network identification of semi-static cell, uplink transmission power, etc., are configured in the initial stage of service establishment.
- the data packet arrival period is 20 ms
- the base station sends a semi-persistent scheduling indication to the UE through the PDCCH, and the UE performs transmission or reception of the scheduling data according to the indication of the PDCCH, and after every 20 ms, The transmission or reception of newly arrived VoIP packets is performed at the same time-frequency resource location.
- the second base station sends the SPS configuration, and when the VoIP bearer is established, the second base station sends the SPS configuration to the UE through the RRC reconfiguration message, and the SPS can be configured to pass the second base station and the first base station.
- the interface message is sent to the first base station, and the SPS configuration may include a semi-static transmission time interval, a semi-persistent scheduling cell radio network identifier (SPS-C-RNTI), an uplink transmission power, and the like.
- the first base station After obtaining the SPS configuration, the first base station needs to further acquire the SPS state, and the SPS state has two states of activation/deactivation.
- the first base station parses and acquires the SPS status from the received semi-static configuration information. The following describes how the first base station acquires the SPS status through a specific example.
- the UE obtains the SPS activation indication by using the SPS-C-RNTI to parse the PDCCH, and indicates the SPS activation indication to the first base station, or when the second base station sends an SPS activation indication to the UE, and simultaneously sends an SPS activation indication to the first base station.
- the UE For the SPS deactivation state, the UE has two methods: implicit deactivation and display deactivation.
- the implicit deactivation means that the UE decides to deactivate according to the actual needs.
- the display deactivation means that the UE receives the deactivation sent by the second base station. The deactivation is performed only when indicated.
- the UE When the UE is implicitly deactivated, the UE directly sends an SPS deactivation indication to the first base station.
- the second base station When the UE displays deactivation, the second base station simultaneously transmits an SPS deactivation indication to the first base station when transmitting the SPS deactivation indication to the UE.
- the second base station can also cancel the semi-static scheduling mode by issuing an SPS configuration deletion command.
- the determining, by the first base station, the maximum uplink transmit power allocated by the UE to the first base station according to the semi-persistent scheduling configuration information that is sent to the UE by the second base station is: the first base station determines the uplink according to the semi-persistent scheduling configuration information that is sent to the UE by the second base station.
- the offset of the transmit power is: the first base station determines the uplink according to the semi-persistent scheduling configuration information that is sent to the UE by the second base station.
- the offset of the transmit power The first base station superimposes the offset with the initial maximum uplink transmit power allocated by the UE to the first base station, and determines the maximum uplink transmit power allocated by the UE to the first base station. It can be understood that the offset can also be zero, that is, the first base station does not need to be added with an offset. In this case, the initial maximum uplink transmit power allocated by the UE to the first base station is allocated to the first base station by the UE. Maximum uplink transmit power.
- the first base station determines the first When the maximum uplink transmit power of the base station is increased, the offset of the uplink power is increased, that is, power compensation is used, and part of the transmit power of the second base station is allocated to the first base station, and the maximum uplink transmit power of the first base station is increased. Specifically, the first base station will recalculate the maximum transmit power P' TMA x, eNB 1 allocated by the UE to the first base station.
- the specific calculation manner is: the second base station indicates the uplink transmit power offset ⁇ , and the initial maximum uplink transmit power allocated by the UE to the first base station when the first base station calculates the maximum uplink transmit power P′ TMA x, eNB 1 TMA x, eNB 1 is based on the offset ⁇ ' ⁇ mouth P, TMAX, eNB1 ⁇ , ⁇ + ⁇ .
- the first base station determines, according to the SPS activation indication, that the second base station has uplink data transmission time, and does not use power compensation, that is, when the first base station determines the maximum uplink transmission power, it is not necessary to increase the offset on the initial maximum uplink transmission power.
- the following describes in detail how the first base station determines the offset of the uplink transmit power, the first base station root.
- the offset of the uplink transmit power is determined according to the state of the uplink resource that is scheduled by the second base station to the UE, and the uplink resource that is scheduled to be sent to the UE by the second base station is lower than the set threshold.
- the value of the offset may also be pre-configured, or may be dynamically allocated according to the uplink resource state of the UE. According to the foregoing description, the first base station needs to obtain the initial maximum uplink transmit power allocated by the UE to the first base station in advance.
- the initial maximum uplink transmit power allocated by the UE to the first base station is the initial maximum uplink transmit power determined according to the downlink path loss or the uplink path loss between each base station and the UE, and the initial maximum uplink may also be determined by other means.
- the transmit power for example, according to the actual processing capability of each base station, specifies the initial maximum uplink transmit power allocated to each base station, as long as the sum of the initial maximum uplink transmit power allocated to each base station is not exceeded by the maximum transmit power of the UE.
- Step 203 The first base station obtains a power remainder of the UE that is recalculated according to the maximum uplink transmit power.
- the maximum uplink transmit power determined by the first base station occurs with respect to the historical value.
- the first base station acquires the power headroom of the UE that is recalculated according to the maximum uplink transmit power.
- the maximum uplink transmit power allocated to the first base station changes, the maximum transmit power of each carrier allocated by the UE to the first base station also changes, and accordingly, the power headroom of the UE also changes, and PH refers to the UE.
- the power headroom PH of the UE on carrier C is divided into two types:
- the first type of PH is calculated as: - P PUSCH .
- PCMA ⁇ indicates the maximum uplink transmit power allocated by the UE to the carrier C on the first base station
- the PPUSCH indicates the transmit power of the Physical Uplink Shared Channel (PUSCH). In this manner, at the same time, when data is transmitted on the PUSCH, the control information is not transmitted on the physical uplink control channel PUCCH.
- PUSCH Physical Uplink Shared Channel
- the second type of PH is calculated as: PH
- the PCMAX, C represents the maximum uplink transmit power allocated by the UE to the carrier C on the first base station
- the PPUSCH represents the transmit power allocated to the physical uplink shared channel PUSCH
- the P PU c H represents the transmit power information allocated to the PUCCH. In this manner, at the same time, control information is allowed to be transmitted on the PUCCH while transmitting data on the PUSCH.
- the transmit power of the carrier corresponding to the base station can be adjusted according to the actual situation, so that the resources of each carrier can be utilized to the maximum extent, and the transmission efficiency of the uplink data and the throughput of the UE are improved. It can be understood that the power headroom can also be calculated by the UE and reported to the first base station.
- Step 204 The first base station configures uplink transmit power for the UE according to a maximum uplink transmit power allocated by the UE to the first base station, a maximum uplink transmit power of each carrier, and a power headroom.
- the first base station allocates uplink transmit power usage to the UE according to P' TMAX, eNB1, ⁇ CMAX., c and PH'. Specifically, the first base station compares the sizes of P'TMAX, eNB1, and P, CMAX., c, and selects the smallest of the two to allocate uplink transmit power to the UE, and ensures that the maximum uplink transmit power allocated to the UE does not exceed two. The minimum value among the people.
- a main scenario in which this embodiment is applicable is that the second base station is only responsible for sending and receiving voice service data, and the first base station is responsible for sending and receiving other services, and the reason for consideration is that the second base station is used as the primary in the present invention.
- the base station, and the primary base station usually covers a wide range, can better support the continuity of the voice service, and improve the user's perception.
- the uplink transmit power is allocated to each base station by using a semi-persistent scheduling manner among the base stations, and the second base station sends a semi-persistent scheduling configuration, and the first base station allocates uplink transmit power to the UE according to the half.
- the static scheduling configuration determines the maximum uplink transmission power that the UE allocates to itself.
- the first base station can reasonably adjust its uplink transmit power and improve the throughput of the UE and the utilization of uplink resources.
- Embodiment 3 is a flowchart of Embodiment 3 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- an initial maximum uplink transmit power is calculated according to an uplink path loss and a downlink path loss, and how to describe the uplink path loss according to details
- the downlink path loss is used to calculate the initial maximum uplink transmit power allocated by the UE to each base station.
- the method provided in this embodiment includes the following steps:
- Step 301 The first base station acquires an initial maximum uplink transmit power allocated by the UE to the first base station, where The initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE.
- the first base station is a secondary base station
- the second base station is a primary base station.
- the first base station obtains the initial maximum uplink transmit power allocated by the UE to the first base station, which can be implemented in the following three manners:
- Step 302 The first base station allocates uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the first base station may further increase the supplementary offset in the initial maximum uplink transmit power according to actual needs or the configuration of the second base station, and supplement the offset.
- the shift may be configured by the second base station to the first base station, and when the first base station needs to perform a large amount of data transmission with the UE, and the amount of data transmission between the UE and the second base station is small, the first base station may increase by The uplink transmit power of the base station can increase the maximum uplink transmit power allocated by the UE to the first base station, thereby increasing the throughput of the UE, improving the utilization of the entire network, and not interfering with the second base station.
- the first base station may acquire the initial allocation of the UE to the first base station according to a set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value. Maximum uplink transmit power.
- Step 401 The second base station provides, to the first base station, an uplink resource state that is scheduled by the UE to the UE, so that the first base station determines, according to the uplink resource state that the second base station schedules to the UE, the maximum uplink transmit power allocated by the UE to the first base station. .
- the second base station may provide the uplink resource status to the first base station in the following two manners:
- the first mode the second base station sends the uplink resource status that is scheduled to the UE to the first base station, or sends the uplink resource status that is scheduled to the UE to the first base station.
- the uplink resource status that the second base station schedules itself to the UE is sent to the first base station by the UE, and the second base station sends the uplink resource status to the UE by using the MAC CE, the RRC message, or the uplink control information.
- the UE transmits to the first base station.
- the second base station may determine, according to the uplink transmission condition of the UE, that the UE does not schedule the UE uplink data for a period of time, and sends a related indication to the UE, indicating how long the UE does not schedule the UE.
- the uplink data may also indicate that the uplink control information PUCCH or the like of the UE is not scheduled for a period of time.
- the second base station determines the state of the upper resource that is scheduled to be sent to the UE, and sends the status to the first base station or the UE.
- the uplink resource status includes an indication that the second base station does not have uplink data scheduling, and a corresponding time.
- the second method is: when the second base station establishes a voice service for the UE, configure a semi-persistent scheduling of the uplink resource for the UE, and send the semi-persistent scheduling configuration information to the first base station, or send the information to the UE, The UE transmits to the first base station.
- the semi-persistent scheduling configuration information includes: an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- Step 402 The second base station schedules an uplink resource for the UE according to an uplink resource status.
- the second base station determines that the uplink resource is scheduled for the UE according to the state of the uplink resource that is allocated to the UE. If the second base station does not have data to schedule, the second base station may appropriately reduce the maximum uplink transmit power and allocate part of the transmit power to the first.
- the base station increases the uplink transmit power of the first base station, and the second base station can allocate the value of the uplink power offset to the first base station, and sends the value to the first base station and the UE, so that the first base station can adjust the uplink transmit power.
- the second base station sends the uplink resource status that is scheduled to the UE to the first base station, so that the first base station adjusts its uplink transmit power reasonably according to the uplink resource status of the second base station, and increases the UE's uplink transmit power. Throughput, improve the utilization of uplink resources.
- FIG. 5 is a flow chart of Embodiment 5 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- the method provided in this embodiment can dynamically adjust the uplink transmit power of the UE.
- the first base station is the secondary base station
- the second base station is the primary base station, which specifically includes the following steps:
- Step 501 The second base station configures preset power information, where the preset power information includes at least an uplink transmit power preset by the second base station to the UE at the next moment.
- Step 502 The second base station sends the preset power information to the first base station, so that the first base station determines, according to the preset power information, an uplink transmit power that is configured by the first base station to the UE at the next moment.
- the second base station may send preset power information to the first base station at each time interval TTI, so that the first base station can accurately allocate uplink power to the UE according to the preset power information.
- the indication information may be carried in the preset power information, and the first base station is notified that there is no data scheduling at the next moment.
- the second base station when the frequency of the preset power information of the second base station is not large, in order to reduce the resource for transmitting the preset power information, the second base station does not send the pre-transmission to the first base station.
- the power information is used to carry preset power information for a period of time in the preset power information.
- Step 503 The first base station receives the preset power information sent by the second base station, where the preset power information includes at least an uplink transmit power that is preset to the UE by the second base station at the next moment.
- the first base station may appropriately increase the transmission power allocated to the first base station when the uplink transmission power is allocated to the UE at the next moment according to the preset power information sent by the second base station.
- Step 504 The first base station determines, according to preset power information, an uplink transmit power that is configured by the first base station to the UE at a next moment.
- the first base station may increase the uplink transmit power allocated to the UE at the next moment if the maximum transmit power allocated by the UE to the second base station is small, but must be allocated to the first base station and the first base station.
- the sum of the maximum transmit powers of the two base stations does not exceed the maximum transmit power of the UE.
- the offset of the uplink transmit power used by the second base station is also included in the preset power information. And adjusting the maximum transmit power and the power headroom of each carrier allocated to the first base station according to the maximum transmit power allocated by the UE to each carrier of the second base station.
- the first base station After receiving the preset power information of the second base station, the first base station adjusts the uplink transmit power that is configured to the UE at the next time, and if the uplink transmit power of the second base station is configured to the UE at the next time, The first base station may appropriately increase the transmission power of the UE to the UE at the next moment to ensure that the UE resources can be utilized reasonably. If the uplink transmission power of the second base station is configured to the UE at the next moment, the first base station may appropriately reduce itself. The transmit power to the UE is configured at the next moment.
- the first base station can adjust the uplink transmit power of the preset configuration to the UE at the next time according to the second base station, and adjust the uplink transmit power allocated by the first base station to the UE at the next moment in real time, thereby being more accurate.
- FIG. 6 is a flow chart of Embodiment 6 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- the method provided in this embodiment includes the following steps:
- the second base station acquires an initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE.
- the second base station obtains the initial maximum uplink transmit power allocated by the UE to the second base station by using the following method.
- the second base station receives the initial maximum allocated by the UE reported by the UE to the second base station.
- the line transmit power wherein the initial maximum uplink transmit power is allocated by the UE from the maximum uplink transmit power of the UE according to the downlink path loss ratio between each base station and the UE.
- the second base station receives the initial maximum uplink transmit power allocated by the UE to each base station, or the second base station receives the downlink path loss of each base station reported by the UE, and according to the proportion of each downlink path loss, from the UE
- the initial maximum uplink transmit power allocated by the UE to each base station is calculated in the maximum uplink transmit power; the second base station transmits each initial maximum uplink transmit power to the corresponding base station.
- the second base station acquires an uplink path loss between the base station and the UE sent by each base station; and the second base station calculates, according to the proportion of each uplink path loss, the UE to allocate to the base station according to the maximum uplink transmit power of the UE.
- Initial maximum uplink transmit power The second base station transmits each initial maximum uplink transmit power to the corresponding base station.
- the second base station also needs to calculate the uplink path loss between the UE and the UE, and the second base station receives the sounding reference signal sent by the UE, and determines the second base station and the UE according to the received power and the transmit power of the sounding reference signal. Upward path loss between.
- the second base station adds a supplementary offset to the initial maximum uplink transmit power allocated to the secondary base station.
- the second base station may determine, according to an actual situation, whether an initial maximum uplink allocated to the secondary base station is needed. A supplemental offset is added to the transmit power. If the supplemental offset is pre-configured, the second base station adds a supplemental offset to the initial maximum uplink transmit power allocated to the first base station, and accordingly, the second base station reduces the power offset allocated to itself, the reduced The amount and the supplemental offset assigned to the secondary base station are equal. If not configured, there is no need to increase the supplemental offset.
- the second base station allocates uplink transmit power to the UE according to the initial maximum uplink transmit power. For this step, if step 602 is performed, the initial maximum uplink transmit power in this step is the initial maximum uplink transmit power after the supplemental offset is increased. If step 602 is not performed, then the step is The initial maximum uplink transmit power in the middle is the initial maximum uplink transmit power calculated from the path loss.
- the second base station acquires the initial maximum allocated by the UE to the second base station according to the set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value. Uplink transmit power.
- FIG. 7 is a flowchart of Embodiment 7 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- the method provided in this embodiment may be performed by an uplink transmit power control apparatus for carrier aggregation between base stations, and the apparatus is integrated in a UE.
- the method provided by the example includes the following steps: Step 701: The UE acquires an uplink resource status that is scheduled by the second base station to the UE.
- the UE obtains an uplink resource status that is sent by the second base station to the UE by: receiving, by the UE, an uplink resource status that is sent by the second base station by using a MAC CE, an RRC message, or uplink control information; or receiving, by the UE, an SPS configuration sent by the second base station.
- the command, the SPS configuration deletion command, the SPS activation indication, and the SPS deactivation indication are used as the uplink resource status; or the UE identifies whether the second base station does not schedule the uplink resource within the set time, and determines the uplink resource status according to the identification result.
- Step 702 The UE reports, to the first base station, an uplink resource status that is scheduled by the second base station to the UE, so that the first base station determines, according to the uplink resource status, a maximum uplink transmit power allocated by the UE to the first base station; or the UE schedules according to the second base station.
- the maximum uplink transmit power allocated by the UE to the first base station is determined and reported to the first base station.
- the UE may report the uplink resource status to the first base station, where the first base station determines the maximum uplink transmit power allocated by the UE to the first base station.
- the UE may also determine the maximum uplink transmit power allocated by the UE to the first base station according to the status of the uplink resource, and report the maximum uplink transmit power to the first base station.
- the UE determines the maximum uplink transmit power allocated by the UE to the first base station according to the uplink resource status scheduled by the second base station.
- the UE determines the offset of the uplink transmit power according to the uplink resource status scheduled by the second base station to the UE.
- the UE superimposes the offset with the initial maximum uplink transmit power allocated by the UE to the first base station, and determines the maximum uplink transmit power allocated to the first base station by the UE.
- the value of the offset is pre-configured or sent by the second base station through network signaling.
- the UE obtains the initial maximum uplink transmit power allocated by the UE to each base station according to the set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value.
- the UE obtains the uplink resource status that is scheduled by the second base station to the UE, and reports the status to the first base station, so that the first base station schedules the maximum uplink transmit power to the uplink resource state of the UE according to the second base station, or the UE.
- the maximum uplink transmit power allocated to the first base station is determined according to the uplink resource state that is scheduled by the second base station to the UE, and is reported to the first base station. Therefore, it is ensured that the maximum uplink transmit power allocated to the first base station is determined according to resources between the base stations, and the maximum uplink transmit power can be allocated to each base station reasonably, and the throughput of the UE and the utilization of the network are improved.
- the UE determines, according to the status of the uplink resource scheduled by the second base station to the UE.
- the UE allocates the maximum uplink transmit power to the first base station, specifically by determining the offset of the uplink transmit power, and superimposing the offset on the basis of the initial maximum uplink transmit power allocated by the UE to the first base station.
- the UE may determine, by multiple methods, the initial maximum uplink transmit power that the UE may determine according to the downlink path loss or the uplink path loss between each base station and the UE, or may determine the initial maximum uplink transmit by other means.
- the power for example, according to the actual processing capability of each base station, specifies the initial maximum uplink transmit power allocated to each base station, as long as the sum of the initial maximum uplink transmit power allocated to each base station is not exceeded by the maximum transmit power of the UE.
- the UE determines the initial maximum uplink transmit power.
- the UE reports the downlink path loss between the UE and the base station to the base station, so that the base station determines the initial maximum uplink transmit power allocated by the UE at the base station according to the downlink path loss.
- the UE reports the downlink path loss between the UE and the base station to the base station.
- the UE first measures the downlink path loss between the UE and the base station, and then reports the downlink path loss between the UE and each base station to the second base station.
- the UE determines the initial maximum uplink transmit power allocated by the UE to the base station according to the downlink path loss with the base station, and reports the uplink maximum transmit power to the base station.
- the UE determines, according to the downlink loss between the UE and the base station, the initial maximum uplink transmit power allocated by the UE to the base station, and reports the data to the base station as follows:
- the UE first measures the downlink path loss between each base station, calculates the initial maximum uplink transmit power allocated to each base station from the maximum uplink transmit power of the UE according to the ratio of the downlink path loss between the base stations, and finally determines The initial maximum uplink transmit power is reported to each base station or reported to the second base station for forwarding to each base station by the second base station.
- the UE measures the downlink path loss between each base station, and specifically, the UE receives the sounding reference signal sent by each base station, and determines the downlink route with each base station according to the received power and the transmitting power of the sounding reference signal. damage.
- the UE determines the maximum uplink transmit power allocated to the first base station after determining the initial maximum uplink transmit power allocated to each base station.
- the supplemental offset is added, and the initial maximum uplink transmit power allocated to the second base station is correspondingly reduced.
- the UE obtains the initial maximum uplink transmit power allocated by the UE to each base station according to the set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value.
- FIG. 8 is a flowchart of Embodiment 8 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- the first base station is a secondary base station
- the second base station is a primary base station, which specifically includes the following steps:
- Step 801 The UE measures a downlink path loss between each base station.
- the UE can measure the downlink received power of the sounding reference signal by calculating the sounding reference signal
- the difference between the transmit power and the received power of the Sounding Reference Signal (SRA) is the downlink path loss.
- the sounding reference signal may be the cell reference signal CRS Cell Reference Signal.
- Each base station sends a reference signal to the UE and is in the UE.
- the transmitted information carries the transmit power of the reference signal.
- the UE measures the received power of each reference signal, and the transmit power of each reference signal is subtracted from the corresponding received power, so that the UE and each base station are obtained. Downstream path loss.
- the UE has one primary base station and one secondary base station.
- the first base station is a secondary base station
- the second base station is a primary base station. It is assumed that the downlink path loss between the UE and the first base station is P NB1 , and the downlink path loss between the UE and the second base station is ⁇ ⁇ 2 .
- Step 802 The UE calculates, according to a downlink path loss ratio between each base station, an initial maximum uplink transmit power allocated to each base station from a maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power may be a value calculated directly from the downlink path loss, or a modified initial maximum uplink transmit power obtained by adding a supplemental offset to the initial maximum uplink transmit power.
- a supplementary offset may be added to the UE, so that the UE increases the transmit power at the first base station, and the UE's throughput may be increased by increasing the transmit power at the first base station. It does not interfere with the second base station.
- the initial maximum uplink transmit power allocated to the second base station is P TMAX
- ENB2 ⁇ * ⁇ - ⁇
- the initial maximum uplink transmit power allocated to the first base station is P TMA x
- eNB1 (1- ⁇ )* ⁇ ⁇ ⁇ + ⁇
- the supplemental offset may also be expressed in other forms, such as a ratio, in which the tenth of the power of the second base station is used as a supplemental offset to the first base station.
- the supplemental offset is configured by the second base station to the UE, for example, the supplementary offset is carried in the RRC connection reconfiguration message. Send it to the UE.
- the UE reports the calculated initial maximum uplink transmit power allocated to the first base station and the second base station to the first base station and the second base station, so that the first base station and the second base station allocate uplink transmit power usage.
- the UE may also report the initial maximum uplink transmit power of each base station to the second base station, and the second base station reports the initial maximum uplink transmit power allocated to each base station to each second base station by using the interface information with the first base station.
- the UE may report the initial maximum uplink transmit power to the base station through a dedicated radio resource control connection message, or may use a MAC CE report.
- a new MAC CE may be defined, as shown in Table 1:
- the UE obtains the initial maximum uplink transmit power allocated by the UE to each base station according to a set period, or when the downlink path loss changes, or when the path loss change value exceeds the set threshold.
- the downlink path loss between each base station is calculated by the UE, and the initial maximum uplink transmit power is allocated to each base station according to the ratio of the downlink path loss, and the calculation is performed well.
- the maximum uplink transmit power allocated by the UE to each base station is sent to each base station.
- Each base station is configured to allocate uplink transmit power and scheduling resources to the UE according to the initial maximum uplink transmit power.
- the UE allocates power to each base station the downlink path loss of each base station is comprehensively considered, and the power between the base stations can be well coordinated, and the throughput of the UE and the utilization of the uplink resources are improved.
- FIG. 9 is a flow chart of Embodiment 9 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention. As shown in the figure, the following steps are included:
- Step 901 The UE measures a downlink path loss between each base station.
- the UE also receives a reference signal (Reference Signal) sent by each base station, such as a cell reference signal (Cell Reference Signal CRS), and determines a downlink path loss between each base station according to the received power and the transmit power of the reference signal.
- a reference signal Reference Signal
- CRS Cell Reference Signal
- the second base station is the primary base station, that is, the UE reports the calculated downlink path loss to the primary base station, and the UE may control the message through the dedicated radio resource, such as defining a new RRC downlink path loss reporting message.
- the UE After receiving the configuration message of the first base station, the UE triggers the measurement and the downlink path loss between the base stations and reports, or when the second base station configures the first base station to the UE, triggers the downlink path loss report request message to the UE, and the UE The request message measures and reports the downlink path loss.
- the second base station obtains the updated path loss information and recalculates the allocation to each base station.
- the conditions triggered by the UE may be:
- the network side Periodically, the network side sends the configured period to the UE.
- the UE periodically calculates and reports the downlink path loss at each base station according to the configuration on the network side.
- the event triggering for example, the threshold of the downlink path loss or the maximum transmit power change configured on the network side.
- the UE detects that the downlink path loss changes exceed the threshold, it triggers reporting the downlink path loss at each base station.
- the network side configures the difference threshold of the downlink path loss between the base stations, when the difference between the path loss between the first base station and the second base station exceeds the threshold, the UE is triggered to report the downlink path loss at each base station.
- the network side configures the ratio of the downlink path loss between the base stations, when the ratio of the path loss between the first base station and the second base station changes beyond the threshold, the UE is triggered to report the downlink path loss at the base station.
- the network side may also periodically send a downlink path loss request message, and the UE reports the report according to the request of the network side.
- Step 903 The second base station receives downlink path loss of each base station reported by the UE, and according to each downlink The ratio of the loss is calculated from the maximum uplink transmit power of the UE to obtain the initial maximum uplink transmit power allocated by the UE to each base station.
- the second base station needs to obtain the maximum uplink transmit power of the UE. Specifically, the second base station may determine the maximum transmit power of the UE according to the type of the UE included in the capability information of the UE. After the UE accesses the network, the UE reports the UE capability information to the second base station, where the UE capability information includes information such as the type of the UE and the frequency information supported by the UE. The transmission capacity and power supported by different types of UEs are different. Therefore, according to the type of the UE, the maximum uplink transmission power of the UE can be determined.
- the second base station After determining the maximum uplink transmit power of the UE, the second base station allocates from the maximum uplink transmit power of the UE according to the downlink loss ratio between each base station and the UE.
- the specific method reference may be made to the method for calculating the initial maximum uplink transmit power by the UE in Embodiment 9, and details are not described herein again.
- Step 904 The second base station sends each initial maximum uplink transmit power to the corresponding base station.
- the second base station sends the allocated initial maximum uplink transmit power of each of the allocated second base stations to the corresponding base station.
- the second base station may send an interface message between the second base station and the first base station, such as an X2 interface message, to the first base station.
- the first base station receives the initial maximum uplink transmit power allocated by the UE sent by the second base station to the first base station, and the first base station allocates and schedules resources to the UE according to the allocated maximum uplink transmit power.
- the UE reports the downlink path loss of each base station to the second base station, and the second base station calculates, according to the proportion of each downlink path loss, the initial maximum uplink allocated by the UE to the first base station according to the maximum uplink transmit power of the UE. Transmit work. It can be understood that the UE may also report the downlink path loss of each base station to the first base station, and the first base station receives the downlink path loss of each base station reported by the UE, and according to the ratio of each downlink path loss, from the maximum uplink transmit power of the UE. The calculation calculates the initial maximum uplink transmit power allocated by the UE to the first base station.
- the first base station is a secondary base station, and each of the secondary base stations calculates the initial maximum uplink transmit power allocated to each of the primary base stations, and reports the initial maximum uplink transmit power to the primary base station.
- the downlink path loss between each base station is calculated by the UE, and the downlink path loss is reported to the second base station, and the second base station allocates an initial maximum uplink transmission according to the ratio of the downlink path loss.
- the power is correspondingly sent to each base station.
- the second base station allocates power to each base station comprehensively considers the downlink path loss of each base station, coordinates the power between the base stations according to the actual capabilities of the base stations, and improves the throughput of the UE and the utilization of the uplink resources. rate.
- FIG. 10 is a flowchart of Embodiment 10 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention, which includes the following steps: Step 1001: Each base station separately measures an uplink path loss between the UE and the UE.
- Each base station measures the uplink reference signal sent by the UE, such as the received power of the sounding reference signal (Sounding Reference), and the difference between the received power of the uplink reference signal and the transmitted power is the uplink path loss.
- the first base station receives the sounding reference signal sent by the UE, and the first base station determines the uplink path loss between the first base station and the UE according to the received power and the transmit power of the sounding reference signal.
- the second base station calculates the uplink path loss in the same way.
- Step 1002 The first base station reports an uplink path loss between itself and the UE to the second base station.
- each base station calculates the uplink path loss between the UE and the UE, and the first base station reports the uplink path loss between the UE and the UE to the second base station. Therefore, the second base station determines an initial maximum uplink transmit power according to an uplink path loss between each base station and the UE.
- the first base station can report the uplink loss through the X2 interface message between the first base station and the second base station, and the interface message can be a newly defined dedicated message.
- the first base station may report the uplink path loss at the request of the second base station, or may report the uplink path loss after the uplink path loss is changed, or periodically report according to the configuration on the network side.
- Step 1003 The second base station receives an uplink path loss between the base station and the UE sent by each base station, and calculates an initial maximum uplink transmit power allocated by the UE to each base station according to a maximum uplink transmit power of the UE according to a ratio of each uplink path loss. .
- the second base station calculates the initial maximum uplink transmit power allocated to each base station according to each uplink path loss ratio through a specific example.
- the UE has only one primary base station and one secondary base station as an example.
- the maximum transmit power of the UE is P TMAX
- the uplink path loss between the UE and the first base station is PL eNB1
- the uplink path loss between the UE and the SeNB is P TMAX , eNB2
- the initial maximum uplink transmit power of the UE under the SeNB For P TMAX , eN B 2 , the initial maximum uplink transmit power P TMA x, eNB1 of the UE under the PeNB.
- supplementary offset may also be expressed in other forms, such as a form of scale, which is not limited in this embodiment.
- Step 1004 The second base station sends each initial maximum uplink transmit power to a corresponding base station.
- the second base station transmits each initial maximum uplink transmit power to the corresponding base station through an interface with the first base station.
- the first base station adjusts its own uplink transmit power according to the initial maximum uplink transmit power.
- FIG. 11 is a flowchart of Embodiment 11 of an uplink transmit power control method for carrier aggregation between base stations according to the present invention.
- the method includes the following steps.
- the UE determines uplink transmit power according to whether the primary base station has uplink data scheduling. .
- the following steps are included:
- Step 1101 The second base station sends an uplink resource status to the UE.
- Step 1102 The second base station determines, according to the uplink resource status of the UE, a maximum uplink transmit power and a power headroom allocated by the UE to each base station.
- the uplink transmit power offset determined by the UE is ⁇ ⁇ , the initial maximum uplink transmit power P TMAX allocated by the UE to the first base station, eNB1 , and the maximum uplink transmit power P′ TMAX allocated by the UE to the first base station, where eNB1 is P, TMAX, eNB1 - P T MAX, eNB1 + ⁇ ⁇ .
- the power headroom may be configured by the network side to the UE, or may be carried in the uplink resource state sent by the second base station to the UE.
- the maximum uplink transmit power of each carrier allocated by the UE to the first base station also changes, assuming the maximum uplink transmission of each carrier allocated by the UE to the first base station at the previous moment.
- the power is PCMAX.
- P' CMAX of the carrier allocated by the UE to the first base station where C is P, CMAX, c2, PcMA, c+ApTMA, and ⁇ are offsets of the uplink transmit power.
- Step 1 103 The UE reports the calculated maximum uplink transmit power, the maximum uplink transmit power, and the power headroom of the first base station to the first base station.
- the UE sends the updated P′ TMA x, eNB 1 , P′CMAX, C and PH′ assigned to the first base station to the first base station for scheduling and allocating the uplink power usage of the UE by the first base station.
- the downlink path loss between each base station is calculated by the UE, and the downlink path loss is reported to the second base station, and the second base station allocates an initial maximum uplink transmission according to the ratio of the downlink path loss.
- the power is correspondingly sent to each base station.
- the second base station allocates power to each base station comprehensively considers the downlink path loss of each base station, coordinates the power between the base stations according to the actual capabilities of the base stations, and improves the throughput of the UE and the utilization of the uplink resources. rate.
- FIG. 12 is a schematic structural diagram of Embodiment 1 of a first base station according to the present invention.
- the first base station provided in this embodiment includes: a power acquiring module 1 1 and a power determining module 12.
- the power acquisition module 1 1 is configured to obtain a maximum uplink transmit power allocated by the user equipment UE to the first base station, where the maximum uplink transmit power is determined according to an uplink resource state scheduled by the second base station to the UE.
- the first base station receives, from the second base station or the UE, an uplink resource state that is scheduled by the second base station to the UE, and the first base station determines, according to the uplink resource state that the second base station schedules to the UE, the maximum uplink transmit power that the UE allocates to the first base station. Or the first base station receives, from the second base station or the UE, a maximum uplink transmit power allocated by the UE to the first base station, where the maximum uplink transmit power is the second base station or the UE is according to the second The status of the uplink resource scheduled by the base station to the UE is determined.
- the uplink resource status may be semi-persistent scheduling configuration information of the uplink resource scheduled by the UE when the second base station establishes a voice service for the UE.
- the semi-persistent scheduling configuration information may include: an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- the uplink resource status information may also be an uplink resource status sent by the second base station through the MAC CE, the RRC message, or the uplink control information.
- the power determining module 12 is configured to configure an uplink transmit power for the UE according to the maximum uplink transmit power. After the power acquisition module 11 obtains the maximum uplink transmit power allocated by the UE, the power determining module 12 appropriately configures the uplink transmit power for the UE according to the maximum uplink transmit power allocated by the UE, and controls the uplink transmit power allocated to the UE not to exceed the maximum uplink transmit power of the UE. , or appropriately lower the UE transmit power.
- FIG. 13 is a schematic structural diagram of Embodiment 2 of a first base station according to the present invention.
- a first base station is a secondary base station
- a second base station is a primary base station.
- the first base station provided in this embodiment includes:
- the power acquisition module 21 is configured to obtain a maximum uplink transmit power allocated by the user equipment UE to the first base station, where the maximum uplink transmit power is determined according to an uplink resource state scheduled by the second base station to the UE.
- the power determining module 22 is configured to configure uplink transmit power for the UE according to the maximum uplink transmit power.
- the power acquiring module 21 includes: an uplink resource state receiving unit 211 and an uplink transmit power determining unit 212.
- the uplink resource status receiving unit 211 is configured to receive, from the second base station or the UE, an uplink resource status that is scheduled by the second base station to the UE.
- the uplink resource status is semi-static scheduling configuration information of the uplink resource scheduled by the UE when the second base station establishes a voice service for the UE.
- Semi-static scheduling configuration The information includes: SPS configuration command, SPS configuration deletion command, SPS activation indication, and SPS deactivation indication.
- the uplink transmit power determining unit 212 is configured to determine, according to the uplink resource state scheduled by the second base station that is received by the uplink resource state receiving unit 211 to the UE, a maximum uplink transmit power allocated by the UE to the first base station.
- the power determining module 22 includes: a power offset determining unit 221 and a power determining unit 222.
- the power offset determining unit 221 is configured to determine an offset of the uplink transmit power according to an uplink resource state scheduled by the second base station to the UE.
- the power offset determining unit 221 is specifically configured to: determine, according to an uplink resource state scheduled by the second base station to the UE, that the uplink resource that is scheduled to be sent to the UE by the second base station is lower than a set threshold, determine uplink transmission The offset of the power.
- the value of the offset is pre-configured.
- the power determining unit 222 is configured to superimpose the offset with the initial maximum uplink transmit power allocated by the UE to the first base station, and determine the maximum uplink transmit power allocated by the UE to the first base station. According to the uplink resource status of the second base station, when the second base station does not have data transmission or sends less data, part or all of the transmit power (ie, power offset) of the second base station may be allocated to the first base station, The transmit power of a base station.
- the first base station provided in this embodiment further includes a power headroom determining module 23, configured to: when the uplink transmit power determined by the power determining module 22 changes relative to the historical value, or when the change value exceeds a preset threshold, The power headroom of the UE recalculated based on the maximum uplink transmit power.
- the first base station provided in this embodiment further includes: a preset power receiving module and a preset power configuration module.
- the preset power receiving module is configured to receive preset power information sent by the second base station, where the preset power information includes at least an uplink transmit power that is preset to the UE by the second base station at the next moment; the preset power information includes: a maximum of the UE The transmit power, the maximum transmit power allocated by the UE to the second base station, the uplink control information scheduling state of the UE, the maximum transmit power allocated by the UE to each carrier of the second base station, and the offset of the uplink transmit power used by the second base station.
- the preset power configuration module is configured to determine, according to the preset power information, an uplink transmit power that is configured by the first base station to the UE at a next moment. Specifically, the preset power configuration module is configured to: according to the preset power information sent by the second base station, and the uplink transmit power allocated by the power determining module 22 to the first base station, at the next moment.
- the transmit power allocated to the first base station may be appropriately increased or decreased. Real-time adjustment by this method The uplink transmit power allocated by the first base station to the UE at the next moment, so that the uplink transmit power of the UE at each base station can be allocated more accurately and reasonably, and the uplink rate and throughput of the UE are improved.
- FIG. 14 is a schematic structural diagram of Embodiment 3 of the first base station according to the present invention.
- the first base station is a secondary base station
- the second base station is a primary base station, as shown in FIG. 14 , which is provided by this embodiment.
- the first base station based on the foregoing base stations shown in FIG. 12 and FIG. 13, specifically includes: an initial maximum uplink transmit power acquisition module 31 and a power allocation module 32.
- the initial maximum uplink transmit power acquisition module 31 is configured to obtain an initial maximum uplink transmit power allocated by the UE to the first base station, where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE;
- the power allocation module 32 is configured to allocate uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the initial maximum uplink transmit power obtaining module 31 may obtain the initial maximum uplink transmit power allocated by the UE to the first base station by:
- the initial maximum uplink transmit power acquisition module 31 is configured to: receive an initial maximum uplink transmit power allocated by the UE reported by the UE to the first base station, where the initial maximum uplink transmit power is a downlink route between the UE and the UE according to the UE The loss ratio is allocated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power acquisition module 31 is further configured to: receive an initial maximum uplink transmit power allocated by the second base station to the first base station, where the initial maximum uplink transmit power is determined by the second base station according to each base station and the UE The downlink path loss ratio is allocated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power acquisition module 31 is specifically configured to: reduce downlink path loss of each base station reported by the UE, and calculate an initial maximum uplink allocated by the UE to the first base station according to a maximum uplink transmit power of the UE according to a ratio of each downlink path loss. Transmit power.
- the initial maximum uplink transmit power acquisition module 31 is specifically configured to: obtain an uplink path loss between each base station and the UE sent by the second base station, and calculate, according to the proportion of each uplink path loss, the UE allocation from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power acquisition module 31 is further configured to: add a supplemental offset in the initial maximum uplink transmit power after acquiring the initial maximum uplink transmit power allocated by the UE to the first base station.
- the supplementary offset may be configured by the second base station to the first base station.
- the The uplink transmit power of the first base station can increase the maximum uplink transmit power allocated by the UE to the first base station, thereby increasing the throughput of the UE, improving the utilization of the entire network, and not interfering with the second base station.
- the initial maximum uplink transmit power acquiring module 31 is specifically configured to: when the UE initially accesses the first base station, or according to a set period, or when the uplink path loss or the downlink path loss changes, or the path loss changes. When the value exceeds the set threshold, the initial maximum uplink transmit power allocated by the UE to the first base station is obtained. After acquiring the initial maximum uplink transmit power allocated by the UE to the first base station, the power allocation module 32 allocates uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the power acquisition module 33 is configured to acquire a maximum uplink transmit power allocated by the UE to the first base station according to the power, where a maximum uplink transmit power allocated by the UE to the first base station is a maximum allocated to the first base station according to the power allocation module 32.
- the power determining module 34 is configured to configure the uplink transmit power for the UE according to the maximum uplink transmit power, and the uplink transmit power is determined by the second base station scheduling the uplink resource state of the UE.
- the first base station provided in this embodiment may further include: a reference signal receiving module, an uplink path loss determining module, and a path loss reporting module.
- the reference signal receiving module is configured to receive the sounding reference signal sent by the UE
- the uplink path loss determining module is configured to determine an uplink path loss between the first base station and the UE according to the received power and the transmit power of the sounding reference signal
- the reporting module is configured to report the uplink path loss between the first base station and the UE to the second base station, so that the second base station forwards the data to the other base station.
- the initial maximum uplink transmit power allocated to the first base station is determined by the first base station and other uplink path losses between the first base station and the UE.
- the first base station provided in this embodiment is used to perform the flowchart of the third embodiment of the method.
- the specific implementation manners and technical effects are similar, and therefore are not described again.
- FIG. 15 is a schematic structural diagram of Embodiment 4 of a second base station according to the present invention.
- the second base station provided in this embodiment includes: an uplink resource status providing module 41 and an uplink resource scheduling module 42.
- the uplink resource status providing module 41 is configured to schedule the second base station to the uplink resource status of the UE. Provided to the first base station, so that the first base station determines the maximum uplink transmit power allocated by the UE to the first base station according to the uplink resource status scheduled by the second base station to the UE.
- the uplink resource status providing module 41 provides the uplink resource status to the first base station in the following manner:
- the uplink resource status providing module 41 sends the uplink resource status that is scheduled by the second base station to the UE to the first base station; or the uplink resource status that is scheduled by the second base station to the UE is sent by the UE to the first base station.
- the uplink resource status providing module 41 may also send the second base station to the UE by using the MAC CE, the RRC message or the uplink control information to be sent to the first base station by using the UE.
- the uplink resource status providing module 41 is specifically configured to: when the voice service is established for the UE, configure a semi-persistent scheduling of the uplink resource for the UE, and send the semi-persistent scheduling configuration information to the first base station, or send the information to the UE, to send the message to the UE.
- the semi-persistent scheduling configuration information includes: an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- the uplink resource scheduling module 42 is configured to schedule uplink resources for the UE according to the uplink resource status.
- the first base station is a secondary base station
- the second base station is a primary base station.
- the embodiment further includes: a preset power configuration module and a preset power information sending module, based on the foregoing embodiment.
- the preset power configuration module is configured to configure preset power information, where the preset power information includes at least an uplink transmit power that is configured by the second base station to the UE at a next moment.
- the preset power information includes: a maximum transmit power of the UE, a maximum transmit power allocated by the UE to the second base station, an uplink control information scheduling state of the UE, a maximum transmit power allocated by the UE to each carrier of the second base station, and a second base station adopting The offset of the uplink transmit power.
- the preset power information sending module is configured to send the preset power information to the first base station, so that the first base station determines, according to the preset power information, the uplink transmit power that is configured by the first base station to the UE at the next moment.
- the second base station provided by this embodiment may be used to implement the solution provided by the method embodiments 4 and 5.
- the specific implementation manner and technical effects are similar, and details are not described herein again.
- FIG. 16 is a schematic structural diagram of Embodiment 5 of a second base station according to the present invention. As shown in FIG. 16, the second base station provided in this embodiment includes:
- the initial maximum uplink transmit power acquisition module 51 is configured to obtain an initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is determined according to each base station and the UE. Determining the downlink path loss or uplink path loss;
- the power allocation module 52 is configured to allocate uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the initial maximum uplink transmit power acquisition module 51 obtains the initial maximum uplink transmit power allocated to the second base station by:
- the initial maximum uplink transmit power acquisition module 51 receives the initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is the downlink of the UE according to each base station and the UE.
- the loss ratio is allocated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power is calculated by the UE and reported to the second base station.
- the initial maximum uplink transmit power acquisition module 51 receives the initial maximum uplink transmit power allocated by the UE to each base station, or receives the downlink path loss of each base station reported by the UE, and according to the proportion of each downlink path loss.
- the initial maximum uplink transmit power allocated by the UE to each base station is calculated from the maximum uplink transmit power of the UE.
- the initial maximum uplink transmit power is calculated by the second base station according to the downlink path loss reported by the UE.
- the second base station in this embodiment further includes: an initial maximum uplink transmit power sending module 53, configured to send each initial maximum uplink transmit power to a corresponding base station.
- the initial maximum uplink transmit power acquisition module 51 further includes an uplink path loss acquisition unit 511 and an initial maximum uplink transmit power allocation unit 512.
- the uplink path loss obtaining unit 511 is configured to acquire an uplink path loss between the base station and the UE that is sent by each base station.
- the initial maximum uplink transmit power allocation unit 512 calculates the initial maximum uplink allocated by the UE to each base station according to the ratio of each uplink path loss. Transmit power.
- each initial maximum uplink transmit power is transmitted to the corresponding base station by the initial maximum uplink transmit power transmitting module 53. Therefore, the base station provided in this embodiment further includes: a reference signal receiving module 54 and an uplink path loss determining module 55.
- the reference signal receiving module 54 is configured to receive the sounding reference signal sent by the UE, and the uplink path loss determining module 55 is configured to determine the second base according to the received power and the transmit power of the sounding reference signal. Uplink loss between the station and the UE. The determined uplink path loss is provided to the initial maximum uplink transmit power acquisition module 51.
- the initial maximum uplink transmit power acquisition module 51 is further configured to: after obtaining the initial maximum uplink transmit power allocated by the UE to each base station, increase the supplemental offset in the initial maximum uplink transmit power allocated to the secondary base station.
- the initial maximum uplink transmit power acquisition module acquires an initial maximum allocated by the UE to the second base station according to a set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value. Uplink transmit power.
- the second base station provided in this embodiment may be used to implement the technical solutions of the method embodiment 4 to the sixth embodiment and the ninth embodiment to the eleventh embodiment.
- the specific implementation manners and the technical effects are similar, and therefore are not described again.
- FIG. 17 is a schematic structural diagram of Embodiment 6 of a user equipment UE according to the present invention.
- the UE provided in this embodiment includes: an uplink resource state obtaining module 61 and an uplink resource state reporting module 62.
- the uplink resource state obtaining module 61 is configured to acquire an uplink resource state that is scheduled by the second base station to the UE.
- the uplink resource status obtaining module 61 is specifically configured to: receive an uplink resource status that is sent by the second base station by using a MAC CE, an RRC message, or an uplink control information; or receive an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and The SPS deactivates the indication as the uplink resource status; or identifies whether the second base station does not schedule the uplink resource within the set time, and determines the uplink resource status according to the identification result.
- the uplink resource status reporting module 62 is configured to report, to the first base station, an uplink resource status that is scheduled by the second base station to the UE, so that the first base station determines, according to the uplink resource status, a maximum uplink transmit power allocated by the UE to the first base station; The status of the uplink resource scheduled by the second base station to the UE determines the maximum uplink transmit power allocated by the UE to the first base station, and reports it to the first base station.
- the UE provided by the embodiment obtains the uplink resource status that is scheduled by the second base station to the UE, and reports the status to the first base station, so that the first base station schedules the maximum uplink transmit power to the uplink resource state of the UE according to the second base station, or the UE according to the UE.
- the uplink resource state that is scheduled by the second base station to the UE determines the maximum uplink transmit power allocated to the first base station, and reports it to the first base station. Therefore, the maximum uplink transmit power allocated to the first base station is determined according to the resources between the base stations, and the maximum uplink transmit power can be allocated to each base station reasonably, thereby improving the throughput of the UE and the utilization of the network.
- the UE is a schematic structural diagram of Embodiment 7 of a user equipment UE according to the present invention.
- the first base station is a secondary base station
- the second base station is a primary base station.
- the UE provided in this embodiment includes: an uplink resource state obtaining module 71 and an uplink resource state reporting module 72.
- the uplink resource state obtaining module 71 is configured to acquire an uplink resource state that is scheduled by the second base station to the UE.
- the uplink resource status reporting module 72 is configured to report, to the first base station, an uplink resource status that is scheduled by the second base station to the UE, so that the first base station determines, according to the uplink resource status, a maximum uplink transmit power allocated by the UE to the first base station; The status of the uplink resource scheduled by the second base station to the UE determines the maximum uplink transmit power allocated by the UE to the first base station, and reports it to the first base station.
- the uplink resource status reporting module 72 includes: a power offset determining unit 721 and a transmit power determining unit 722.
- the power offset determining unit 721 is configured to determine, according to an uplink resource state that is scheduled by the second base station to the UE, an offset of the uplink transmit power, where the value of the offset is pre-configured or the second base station sends the network signaling. of.
- the transmit power determining unit 722 is configured to superimpose the offset with the initial maximum uplink transmit power allocated by the UE to the first base station, and determine the maximum uplink transmit power allocated by the UE to the first base station.
- the UE further includes: an uplink path loss reporting module and an initial maximum uplink transmit power determining module.
- the uplink path loss reporting module is configured to report the downlink path loss between the UE and the base station to the base station, so that the base station determines the initial maximum uplink transmit power allocated by the UE at the base station according to the downlink path loss.
- the initial maximum uplink transmit power determining module is configured to determine an initial maximum uplink transmit power allocated by the UE to the base station according to a downlink path loss between the UE and the base station, and report the uplink maximum transmit power to the base station.
- the uplink path loss reporting module includes: a downlink path loss measuring unit and a downlink path loss reporting unit.
- the downlink path loss measurement unit is configured to measure a downlink path loss between each base station.
- the downlink loss reporting unit is configured to report the downlink path loss between the UE and each base station to the second base station.
- the initial maximum uplink transmit power determining module includes: a downlink path loss measuring unit, an initial maximum uplink transmit power allocation unit, and an initial maximum uplink transmit power reporting unit.
- the downlink path loss measurement unit is configured to measure a downlink path loss between each base station; the downlink path loss measurement unit is specifically configured to: receive a sounding reference signal sent by each base station, and determine, according to the received power and the transmit power of the sounding reference signal, Downlink loss between base stations.
- An initial maximum uplink transmit power allocation unit configured to calculate an initial maximum uplink transmit power allocated to each base station from a maximum uplink transmit power of the UE; and an initial maximum uplink transmit power allocation unit is further configured to allocate the maximum to the first base station A supplemental offset is added to the uplink transmit power.
- the initial maximum uplink transmit power reporting unit is configured to report the determined initial maximum uplink transmit power to each base station, or to the second base station, to be forwarded to each base station by using the second base station.
- the initial maximum uplink transmit power determining module obtains the initial maximum uplink allocated by the UE to each base station according to a set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value. Transmit power.
- the UE provided in this embodiment can be used to implement the technical solutions provided in the method embodiment 7 to the ninth embodiment.
- the specific implementation manners and the technical effects are similar, and therefore are not described again.
- FIG. 19 is a schematic structural diagram of Embodiment 8 of a first base station according to the present invention.
- the first base station 800 provided in this embodiment includes a processor 81 and a memory 82.
- the first base station 800 can also include a transmitter 83, a receiver 84.
- the memory 82, the transmitter 83, and the receiver 84 are connected to the processor 81 through a bus.
- the bus may be one or more physical lines. When it is a plurality of physical lines, it may be divided into an address bus, a data bus, a control bus, and the like.
- the memory 82 stores execution instructions. When the first base station 800 is running, the processor 81 communicates with the memory 82, and the processor 81 calls the execution instructions in the memory 82 for performing the following operations:
- the receiver 84 obtains the maximum uplink transmit power allocated by the user equipment UE to the first base station, where the maximum uplink transmit power is determined according to the uplink resource status scheduled by the second base station to the UE;
- the processor 81 configures the uplink transmit power for the UE according to the maximum uplink transmit power.
- the first base station is a secondary base station
- the second base station is a primary base station
- the receiver 84 is specifically configured to receive, by the second base station or the UE, an uplink resource status that is scheduled by the second base station to the UE. Then, the processor 81 determines, according to the uplink resource status that the second base station schedules to the UE, the maximum uplink that the UE allocates to the first base station. Transmit power. Specifically, the processor 81 determines an offset of the uplink transmit power according to the uplink resource status scheduled by the second base station to the UE; and then, the offset is superimposed with the initial maximum uplink transmit power allocated by the UE to the first base station, and is determined. The maximum uplink transmit power allocated to the first base station for the UE.
- the processor 81 determines the offset of the uplink transmit power when the uplink resource of the second base station is scheduled to be lower than the set threshold at the current time according to the uplink resource status scheduled by the second base station to the UE.
- the value of the offset is pre-configured.
- the receiver 84 is further configured to receive, by the second base station or the UE, a maximum uplink transmit power that is allocated by the UE to the first base station, where the maximum uplink transmit power is determined by the second base station or the UE according to an uplink resource state that is scheduled by the second base station to the UE. .
- the uplink resource status is semi-static scheduling configuration information of the uplink resource scheduled by the UE when the second base station establishes a voice service for the UE.
- the semi-persistent scheduling configuration information includes: semi-persistent scheduling SPS configuration command, SPS configuration deletion command, SPS activation indication, and SPS deactivation indication.
- the processor 81 is further configured to: after the uplink transmit power is allocated to the UE according to the maximum uplink transmit power, when the determined uplink transmit power changes with respect to the historical value, or when the change value exceeds the preset threshold, obtain the maximum uplink transmit power according to the maximum uplink transmit power. Recalculated power headroom for the UE.
- the receiver 84 is further configured to receive the preset power information that is sent by the second base station, where the preset power information includes at least an uplink transmit power that is preset to the UE by the second base station at the next time; the processor 81 is configured to use the preset power information according to the preset power information.
- the uplink transmit power configured by the first base station to the UE at the next moment is determined.
- the preset power information includes: a maximum transmit power of the UE, a maximum transmit power allocated by the UE to the second base station, an uplink control information scheduling state of the UE, a maximum transmit power allocated by the UE to each carrier of the second base station, and an uplink used by the second base station. The offset of the transmit power.
- the receiver 84 is further configured to obtain an initial maximum uplink transmit power allocated by the UE to the first base station, where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE.
- the processor 81 is configured to allocate uplink transmit power to the UE according to the initial maximum uplink transmit power.
- the receiver 84 receives the downlink path loss of each base station reported by the UE, and then the processor 81 calculates, according to the proportion of each downlink path loss, the UE to allocate the first to the first uplink transmit power.
- the receiver 84 is configured to acquire an uplink path loss between each base station and the UE sent by the second base station, and the processor 81 obtains a maximum from the UE according to a ratio of each uplink path loss.
- the initial maximum uplink transmit power allocated by the UE to the first base station is calculated in the row transmit power.
- the receiver 84 may also receive the sounding reference signal sent by the UE, and then the processor 81 determines the uplink path loss between the first base station and the UE according to the received power and the transmit power of the sounding reference signal; and The uplink path loss between a base station and the UE is reported to the second base station, so that the second base station forwards to the other base station.
- the processor 81 is further configured to increase the supplemental offset in the initial maximum uplink transmit power after acquiring the initial maximum uplink transmit power allocated by the UE to the first base station.
- the receiver 84 obtains the initial maximum allocated by the UE to the first base station according to a set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold value. Uplink transmit power.
- the processor 91 is configured to schedule uplink resources for the UE according to an uplink resource status.
- the processor 91 configures the semi-persistent scheduling of the uplink resource for the UE. Then, the transmitter 93 sends the semi-persistent scheduling configuration information to the first base station, or sends the configuration information to the UE. To be transmitted to the first base station by the UE.
- the semi-persistent scheduling configuration information includes: an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication.
- the receiver 94 is configured to obtain an initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is determined according to a downlink path loss or an uplink path loss between each base station and the UE; and the processor 91 is configured according to an initial maximum uplink.
- the transmit power allocates uplink transmit power to the UE.
- the receiver 94 is configured to receive an initial maximum uplink transmit power allocated by the UE to the second base station, where the initial maximum uplink transmit power is the maximum from the UE according to the downlink path loss ratio between each base station and the UE. Allocated in the uplink transmit power. Alternatively, the receiver 94 receives the initial maximum uplink transmit power allocated by the UE to each base station. Of course, the downlink loss of each base station reported by the UE may be received by the receiver 94, and then the processor 91 calculates the initial maximum uplink allocated by the UE to each base station according to the ratio of each downlink loss. The power is transmitted and each initial maximum uplink transmit power is transmitted by the transmitter 93 to the corresponding base station.
- the receiver 94 is configured to acquire an uplink path loss between the base station and the UE sent by each base station.
- the processor 91 calculates, based on the proportion of each uplink path loss, the initial maximum uplink transmit power allocated by the UE to each base station from the maximum uplink transmit power of the UE.
- Transmitter 93 transmits each initial maximum uplink transmit power to the corresponding base station.
- the receiver 94 is further configured to receive the sounding reference signal sent by the UE, and then determine, by the processor 91, the uplink path loss between the second base station and the UE according to the received power and the transmit power of the sounding reference signal.
- the processor 91 is further configured to add a supplemental offset in the initial maximum uplink transmit power allocated to the secondary base station.
- FIG. 21 is a schematic structural diagram of Embodiment 10 of a user equipment UE according to the present invention.
- the UE 1000 provided in this embodiment includes a processor 110 and a memory 120.
- the first base station UE1000 may further include a transmitter 130 and a receiver 140.
- Memory 120, transmitter 130 and receiver 140 are coupled to processor 110 via a bus.
- the memory 120 stores an execution instruction, when When the UEIOOO is running, the processor 110 communicates with the memory 120, and the processor 110 calls an execution instruction in the memory 120 for performing the following operations:
- the receiver 140 is configured to acquire an uplink resource status that is scheduled by the second base station to the UE.
- the transmitter 130 reports the uplink resource status of the second base station scheduling to the UE to the first base station, so that the first base station determines the maximum uplink transmit power allocated by the UE to the first base station according to the uplink resource status; or the processor 110 schedules according to the second base station.
- the maximum uplink transmit power allocated by the UE to the first base station is determined by the uplink resource state of the UE, and reported to the first base station by the transmitter 130.
- the first base station is a secondary base station
- the second base station is a primary base station
- the processor 110 is specifically configured to determine an offset of the uplink transmit power according to the uplink resource state scheduled by the second base station to the UE, and superimpose the offset with the initial maximum uplink transmit power allocated by the UE to the first base station, and determine The maximum uplink transmit power allocated by the UE to the first base station.
- the value of the offset is pre-configured or sent by the second base station through network signaling.
- the receiver 140 is further configured to receive an uplink resource status sent by the second base station by using a MAC CE, an RRC message, or an uplink control information, or receive an SPS configuration command, an SPS configuration deletion command, an SPS activation indication, and an SPS deactivation indication sent by the second base station.
- the processor 110 uses the SPS configuration command, the SPS configuration deletion command, the SPS activation indication, and the SPS deactivation indication as the uplink resource status. Alternatively, the processor 110 identifies whether the second base station does not schedule uplink resources within a set time, and determines an uplink resource status according to the identification result.
- the transmitter 130 is further configured to report the downlink path loss between the UE and the base station to the base station, so that the base station determines the initial maximum uplink transmit power allocated by the UE at the base station according to the downlink path loss.
- the processor 110 determines the initial maximum uplink transmit power allocated by the UE to the base station according to the downlink path loss between each base station and the base station, and reports it to the base station through the transmitter 130.
- the processor 110 is further configured to measure the downlink path loss between each base station and report the downlink path loss between the UE and each base station to the second base station by using the transmitter 130.
- the processor 110 is further configured to measure a downlink path loss between each base station, and then calculate, according to a ratio of downlink path loss between each base station, an initial maximum uplink allocated to each base station from a maximum uplink transmit power of the UE. Transmit power.
- the determined initial maximum uplink transmit power is reported to the base stations by the transmitter 130, or reported to the second base station for forwarding to the base stations by the second base station.
- the downlink path loss between each base station is measured in the following manner. First, the receiver 140 receives the sounding reference signal sent by each base station, and then the processor 110 receives the received power according to the sounding reference signal. The rate and transmission power determine the downlink path loss with each base station.
- the processor 110 after the processor 110 calculates the initial maximum uplink transmit power allocated to each base station according to the ratio of the downlink path loss between the UE and each base station, the processor 110 also uses the allocation. A supplemental offset is added to the maximum uplink transmit power of the first base station.
- the receiver 140 obtains the initial maximum uplink transmit power allocated by the UE to each base station according to a set period, or when the uplink path loss or the downlink path loss changes, or when the path loss change value exceeds the set threshold.
- the aforementioned program can be stored in a computer readable storage medium.
- the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
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Priority Applications (9)
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| ES16205537T ES2939150T3 (es) | 2013-04-25 | 2013-04-25 | Método para controlar la potencia de transmisión de enlace ascendente en agregación de portadoras interestaciones base, estación base y dispositivo |
| PCT/CN2013/074689 WO2014172865A1 (zh) | 2013-04-25 | 2013-04-25 | 基站间载波聚合的上行发射功率控制方法、基站和设备 |
| CN201380003097.5A CN104412673B (zh) | 2013-04-25 | 2013-04-25 | 基站间载波聚合的上行发射功率控制方法、基站和设备 |
| EP16205537.0A EP3209053B1 (en) | 2013-04-25 | 2013-04-25 | Method for controlling uplink transmit power in inter-base station carrier aggregation, base station, and device |
| AU2013387527A AU2013387527B2 (en) | 2013-04-25 | 2013-04-25 | Method for controlling uplink transmit power in inter-base station carrier aggregation, base station, and device |
| US14/921,941 US9936468B2 (en) | 2013-04-25 | 2015-10-23 | Method for contolling uplink transmit power in inter-base station carrier aggregation, base station, and device |
| US15/897,953 US10341966B2 (en) | 2013-04-25 | 2018-02-15 | Method for controlling uplink transmit power in inter-base station carrier aggregation, base station, and device |
| US16/408,667 US10716076B2 (en) | 2013-04-25 | 2019-05-10 | Method for controlling uplink transmit power in inter-base station carrier aggregation, base station, and device |
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- 2013-04-25 AU AU2013387527A patent/AU2013387527B2/en active Active
- 2013-04-25 ES ES16205537T patent/ES2939150T3/es active Active
- 2013-04-25 EP EP13883118.5A patent/EP2981123B1/en active Active
- 2013-04-25 CN CN201380003097.5A patent/CN104412673B/zh active Active
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2015
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2018
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| US10516501B2 (en) * | 2015-07-08 | 2019-12-24 | Huawei Technologies Co., Ltd. | Network node, user device and methods thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2981123A1 (en) | 2016-02-03 |
| US20190268862A1 (en) | 2019-08-29 |
| US20180176870A1 (en) | 2018-06-21 |
| EP3209053A1 (en) | 2017-08-23 |
| US10716076B2 (en) | 2020-07-14 |
| EP2981123B1 (en) | 2017-03-15 |
| US9936468B2 (en) | 2018-04-03 |
| CN104412673B (zh) | 2018-05-18 |
| EP2981123A4 (en) | 2016-04-13 |
| ES2939150T3 (es) | 2023-04-19 |
| EP3209053B1 (en) | 2022-12-07 |
| AU2013387527B2 (en) | 2016-04-21 |
| US20160044611A1 (en) | 2016-02-11 |
| US10341966B2 (en) | 2019-07-02 |
| CN104412673A (zh) | 2015-03-11 |
| AU2013387527A1 (en) | 2015-11-26 |
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